( function () {
class AfterimagePass extends THREE.Pass {
  constructor(damp = 0.96) {
    super();
    if (THREE.AfterimageShader === undefined) console.error('THREE.AfterimagePass relies on THREE.AfterimageShader');
    this.shader = THREE.AfterimageShader;
    this.uniforms = THREE.UniformsUtils.clone(this.shader.uniforms);
    this.uniforms['damp'].value = damp;
    this.textureComp = new THREE.WebGLRenderTarget(window.innerWidth, window.innerHeight, {
      minFilter: THREE.LinearFilter,
      magFilter: THREE.NearestFilter,
      format: THREE.RGBAFormat
    });
    this.textureOld = new THREE.WebGLRenderTarget(window.innerWidth, window.innerHeight, {
      minFilter: THREE.LinearFilter,
      magFilter: THREE.NearestFilter,
      format: THREE.RGBAFormat
    });
    this.shaderMaterial = new THREE.ShaderMaterial({
      uniforms: this.uniforms,
      vertexShader: this.shader.vertexShader,
      fragmentShader: this.shader.fragmentShader
    });
    this.compFsQuad = new THREE.FullScreenQuad(this.shaderMaterial);
    const material = new THREE.MeshBasicMaterial();
    this.copyFsQuad = new THREE.FullScreenQuad(material);
  }

  render(renderer, writeBuffer, readBuffer
  /*, deltaTime, maskActive*/
  ) {
    this.uniforms['tOld'].value = this.textureOld.texture;
    this.uniforms['tNew'].value = readBuffer.texture;
    renderer.setRenderTarget(this.textureComp);
    this.compFsQuad.render(renderer);
    this.copyFsQuad.material.map = this.textureComp.texture;

    if (this.renderToScreen) {
      renderer.setRenderTarget(null);
      this.copyFsQuad.render(renderer);
    } else {
      renderer.setRenderTarget(writeBuffer);
      if (this.clear) renderer.clear();
      this.copyFsQuad.render(renderer);
    } // Swap buffers.


    const temp = this.textureOld;
    this.textureOld = this.textureComp;
    this.textureComp = temp; // Now textureOld contains the latest image, ready for the next frame.
  }

  setSize(width, height) {
    this.textureComp.setSize(width, height);
    this.textureOld.setSize(width, height);
  }

}

THREE.AfterimagePass = AfterimagePass;
} )();
